[INFO] crate i2cdev2 0.4.0 is already in cache
[INFO] checking i2cdev2-0.4.0 against try#3738e44c8fffe9e1fdfda9304a4df74ce7b29152 for pr-68746
[INFO] extracting crate i2cdev2 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate i2cdev2 0.4.0 on toolchain 3738e44c8fffe9e1fdfda9304a4df74ce7b29152
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate i2cdev2 0.4.0
[INFO] finished tweaking crates.io crate i2cdev2 0.4.0
[INFO] tweaked toml for crates.io crate i2cdev2 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+3738e44c8fffe9e1fdfda9304a4df74ce7b29152" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 07e20b16dc81ad4ae79b47fefd73177a397d22885a4732743d9902597a803fc7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "07e20b16dc81ad4ae79b47fefd73177a397d22885a4732743d9902597a803fc7"`
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling i2cdev2 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ffi.rs:437:37
[INFO] [stderr]     |
[INFO] [stderr] 437 |                           -> Result<(c_int), I2CError> {
[INFO] [stderr]     |                                     ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ffi.rs:447:62
[INFO] [stderr]     |
[INFO] [stderr] 447 | ...                   msgs: &mut Vec<I2CMsg>) -> Result<(i32), I2CError> {
[INFO] [stderr]     |                                                         ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/linux.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ffi.rs:437:37
[INFO] [stderr]     |
[INFO] [stderr] 437 |                           -> Result<(c_int), I2CError> {
[INFO] [stderr]     |                                     ^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/ffi.rs:447:62
[INFO] [stderr]     |
[INFO] [stderr] 447 | ...                   msgs: &mut Vec<I2CMsg>) -> Result<(i32), I2CError> {
[INFO] [stderr]     |                                                         ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/linux.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/linux.rs:79:43
[INFO] [stderr]    |
[INFO] [stderr] 79 |             LinuxI2CError::Io(ref e) => e.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/linux.rs:80:44
[INFO] [stderr]    |
[INFO] [stderr] 80 |             LinuxI2CError::Nix(ref e) => e.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/linux.rs:79:43
[INFO] [stderr]    |
[INFO] [stderr] 79 |             LinuxI2CError::Io(ref e) => e.description(),
[INFO] [stderr]    |                                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/linux.rs:80:44
[INFO] [stderr]    |
[INFO] [stderr] 80 |             LinuxI2CError::Nix(ref e) => e.description(),
[INFO] [stderr]    |                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `i2cdev`
[INFO] [stderr]  --> examples/pca9956b.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | extern crate i2cdev;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `i2cdev2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `i2cdev`
[INFO] [stderr]   --> examples/nunchuck.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | extern crate i2cdev;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error[E0463]: can't find crate for `i2cdev`
[INFO] [stderr]   --> examples/sensors.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | extern crate i2cdev;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `i2cdev2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `i2cdev2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "07e20b16dc81ad4ae79b47fefd73177a397d22885a4732743d9902597a803fc7"`
[INFO] running `"docker" "rm" "-f" "07e20b16dc81ad4ae79b47fefd73177a397d22885a4732743d9902597a803fc7"`
[INFO] [stdout] 07e20b16dc81ad4ae79b47fefd73177a397d22885a4732743d9902597a803fc7